@import './normalize.css';  /*此处的分号不能省略 */
html{
  height: 100%;
}
body {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  background-image: url('../img/background.png') ;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  height: 100%;
  
}
ul{
  list-style: none;
}
.mp3-play {
  display: inline-block;
  *display: inline;
  *zoom: 1;
  background: url('../img/speaker.jpg') no-repeat;
  height: 18px;
  width: 18px;
  margin-right: 2px;
  text-decoration: none;
  vertical-align: middle;
  background-position: 0 1px;
  margin-left: 10px;
}